How to use Jenkins environment variable in shell script?

Question

I want to update a java file with the jenkins build number. I plan on using a shell script to sed the value to the correct build number. I'm currently doing this:

sed -i 's/Version 3.0/Version $BUILD_DISPLAY_NAME/g'
/var/lib/jenkins/jobs/AndroidTest/workspace/xxx/res/values/strings.xml

Why doesn't this work? I'd assume I could just use them directly.

Does the string replacement just not work, or do you get an error message, or does the 3.0 in the version get replaced with nothing ? — gareth_bowles
– gareth_bowles, Commented Jan 10, 2014 at 0:31

that other guy · Accepted Answer · 2014-01-10 01:39:00Z

16

As shellcheck would tell you, expansions don't happen in single quotes. Use double quotes instead:

sed -i "s/Version 3.0/Version $BUILD_DISPLAY_NAME/g" /var/lib/jenkins/jobs/AndroidTest/workspace/xxx/res/values/strings.xml

answered Jan 10, 2014 at 1:39

that other guy

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